In 1358 DR, a warlock coven often called the Toril 13 done a ritual that cursed most tiefling lineages—These of demons, devils, hags, and rakshasas, amongst others—Along with the "blood of Asmodeus", switching their https://crithitceramics.com/crafting-the-perfect-tiefling-warlock-a-guide-for-all-ages/